Home / 7,713.48-11,574.27-4,206

Finding the Fourth Proportional to 7,713.48, 11,574.27 and 4,206

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Solution

The fourth proportional to 7,713.48, 11,574.27 and 4,206 is: 6,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.48 : 11,574.27 = 4,206 : x
  2. Step 2: Convert to fraction form
    7,713.48/11,574.27 = 4,206/x
  3. Step 3: Cross multiply
    7,713.48x = 11,574.27 × 4,206
  4. Step 4: Simplify right side
    7,713.48x = 48,681,379.62
  5. Step 5: Solve for x
    x = 48,681,379.62/7,713.48
  6. Step 6: Final answer
    x = 6,311.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.